A man’s colon burst after his ‘perverted’ friends put a compressed air pump up his backside and inflated it, a medical report has revealed.

The 30-year-old was rushed to hospital after the horrific prank left him needing his entire bowel removed because of a ‘rectal blowout’. The injury is caused by air pressure rising so high inside the rectum that it explodes.

The man had ‘multiple colonic perforations’ as a result of the prank and doctors found faecal matter among his other internal organs.

According to the report, written by doctors from the Maulana Azad Medical College in New Delhi and the All India Institute of Medical Sciences in Rishikesh, the injury was "caused by his perverted friends who put the nozzle of an air pipe (tire air pump) into his anus and inflated it".

While this case is extremely rare it's far from unique in the northern region of India, according to an article published in the Journal of Medical Case Reports.

Similar injuries were reported in two other men, one of whom had pressurised air sprayed into his backside in an alleged accident, while another suffered the injury at the hands of robbers whom he tried to stop.

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The 34-year-old man, who worked at a petrol pump, was hospitalised with what doctors called a ‘rectal blowout’ after trying to stop a burglary and needed most of his colon removed and a colostomy bag fitted.

According to the report, the man had suffered "an alleged compressed air insult by robbers while thwarting the robbery. The robbers had thrust the compressed air nozzle into his anus".

Dr Lovenish Bains, who led the study, said: "Education regarding such machines and their safe use must be encouraged because most of these cases are accidental and due to ignorance."

He went on to say "it takes only one or two seconds to deliver enough pressurised air to cause major damage".